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Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black

Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black

(1,862 reviews)

Employing a water-based gel ink, signo ensures constant ink flow without blurring or dripping. Its twin-ball mechanism prevents excessive ink flow. When the pen is positioned in a downward position, the ink flows smoothly from the ink flow channel. When the pen is positioned in an upward position, the reverse flow prevention ball works to stop the flow of air into the ink. When you start writing, the ball in the pen rotates to mix the viscous ink causing it to thin. The pen glides on paper, providing a smooth write. Once the ink touches the paper, it hardens quickly when returning to its previous viscosity, which allows you to draw lines that do not blur. Ultra-fine tip featuring a 0.38mm-sized ball enabling precision writing for planners and technical drawings. 0.38mm-sized balls for versatile application at work or school. Self-developed, precision stainless steel tip with superior durability and gel ink that enables you to draw solid, fine lines. Unique twin-ball mechanism prevents ink backflow and leak. Rubber grip that fits comfortably in your hand for ultra-fine precision and fatigue-free writing.

Employing a water-based gel ink, signo ensures constant ink flow without blurring or dripping. Its twin-ball mechanism prevents excessive ink flow. When the pen is positioned in a downward position, the ink flows smoothly from the ink flow channel. When the pen is positioned in an upward position, the reverse flow prevention ball works to stop the flow of air into the ink. When you start writing, the ball in the pen rotates to mix the viscous ink causing it to thin. The pen glides on paper, providing a smooth write. Once the ink touches the paper, it hardens quickly when returning to its previous viscosity, which allows you to draw lines that do not blur. Ultra-fine tip featuring a 0.38mm-sized ball enabling precision writing for planners and technical drawings. 0.38mm-sized balls for versatile application at work or school. Self-developed, precision stainless steel tip with superior durability and gel ink that enables you to draw solid, fine lines. Unique twin-ball mechanism prevents ink backflow and leak. Rubber grip that fits comfortably in your hand for ultra-fine precision and fatigue-free writing.

$2.95 - $3.99

in 2 offers

Colour:

Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Blue
Uni-Ball Signo UM-151 Gel Pen - 0.28 mm - Emerald
Uni-Ball Signo Gel Pen Extra Fine 0.28 mm Golden Yellow
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Khaki
Uni-Ball Signo UM-151 Gel Pen - 0.28 mm - Lime Green
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Pink
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Red
Uni-ball Signo DX UM-151 Gel Pen - 0.38 mm, Sky Blue
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Violet

Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black

$2.95

(1,862 reviews)

Employing a water-based gel ink, signo ensures constant ink flow without blurring or dripping. Its twin-ball mechanism prevents excessive ink flow. When the pen is positioned in a downward position, the ink flows smoothly from the ink flow channel. When the pen is positioned in an upward position, the reverse flow prevention ball works to stop the flow of air into the ink. When you start writing, the ball in the pen rotates to mix the viscous ink causing it to thin. The pen glides on paper, providing a smooth write. Once the ink touches the paper, it hardens quickly when returning to its previous viscosity, which allows you to draw lines that do not blur. Ultra-fine tip featuring a 0.38mm-sized ball enabling precision writing for planners and technical drawings. 0.38mm-sized balls for versatile application at work or school. Self-developed, precision stainless steel tip with superior durability and gel ink that enables you to draw solid, fine lines. Unique twin-ball mechanism prevents ink backflow and leak. Rubber grip that fits comfortably in your hand for ultra-fine precision and fatigue-free writing.

Employing a water-based gel ink, signo ensures constant ink flow without blurring or dripping. Its twin-ball mechanism prevents excessive ink flow. When the pen is positioned in a downward position, the ink flows smoothly from the ink flow channel. When the pen is positioned in an upward position, the reverse flow prevention ball works to stop the flow of air into the ink. When you start writing, the ball in the pen rotates to mix the viscous ink causing it to thin. The pen glides on paper, providing a smooth write. Once the ink touches the paper, it hardens quickly when returning to its previous viscosity, which allows you to draw lines that do not blur. Ultra-fine tip featuring a 0.38mm-sized ball enabling precision writing for planners and technical drawings. 0.38mm-sized balls for versatile application at work or school. Self-developed, precision stainless steel tip with superior durability and gel ink that enables you to draw solid, fine lines. Unique twin-ball mechanism prevents ink backflow and leak. Rubber grip that fits comfortably in your hand for ultra-fine precision and fatigue-free writing.

Colour:
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Black
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Blue
Uni-Ball Signo UM-151 Gel Pen - 0.28 mm - Emerald
Uni-Ball Signo Gel Pen Extra Fine 0.28 mm Golden Yellow
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Khaki
Uni-Ball Signo UM-151 Gel Pen - 0.28 mm - Lime Green
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Pink
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Red
Uni-ball Signo DX UM-151 Gel Pen - 0.38 mm, Sky Blue
Uni-Ball Signo UM-151 Gel Pen - 0.38 mm - Violet

Price comparison

Last updated at 08/07/2025 15:26:53

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Price history

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Price history

​
​

Reviews

15 February 2022
Ainoa

originally posted on JetPens

26 October 2020
bttb

originally posted on JetPens

11 October 2022
dddead83

originally posted on JetPens

Specification

Body ColorClear
Capped or RetractableCapped - Snap On
Clip MaterialPlastic
ClippableYes
Diameter - Grip10.3 mm

Price comparison

Updated 1 day ago
Bunbougu

$2.95

+$6.85 delivery
hifumi.com.au

$3.99

See 5 more history offers

A Lot Mall

$2.62

Low Stock
Cult Pens

$7.41

Low Stock
Etsy - TheStationeryManor

$8.05

Low Stock
eBay.com.au - redribbonred

$5.05

Low Stock
Zakka House

$3.95

Low Stock

Price history

​
​

Price history

​
​

Reviews

15 February 2022
Ainoa
originally posted on JetPens
26 October 2020
bttb
originally posted on JetPens
11 October 2022
dddead83
originally posted on JetPens
15 June 2023
fsofield
originally posted on JetPens
28 March 2021
noahschaffer
originally posted on JetPens
15 August 2016
Rodney
originally posted on JetPens
3 September 2021
Satomi L.
originally posted on bunbougu.com.au
28 April 2018
taimdala
originally posted on JetPens
22 September 2022
withadventure
originally posted on JetPens

Specification

Body ColorClear
Capped or RetractableCapped - Snap On
Clip MaterialPlastic
ClippableYes
Diameter - Grip10.3 mm